Since its release in 1982, Ridley Scott's , based on Philip K. Dick's novel , has remained a cult classic through its depiction of a futuristic Los Angeles; its complex, enigmatic plot; and its underlying questions about the nature of human identity. examines the film in a broad context, examining its relationship to the original novel, the PC game, the series of sequels, and the many films influenced by its style and themes. It investigates online fandom and asks how the film's future city compares to the present-day Los Angeles, and it revisits the film to pose surprising new questions about its characters and their world.